Viewfinder sizeLarge viewfinders are brighter and more comfortable to use

Pixel sizeHow much area of the sensor is dedicated to each pixel

Reviews Word on the street

And the D7100 one-ups its Nikon stablemates with an RGBW rear LCD which offers more efficient operation and gives the option for greater brightness than an RGB panel, making the screen much more usable in direct sunlight.

D7100

10.0

9.0

Otherwise the Nikon D800 is a highly dependable and capable camera that offers a versatile and improved auto focus system, an enhanced viewfinder with 100% frame coverage and a very good movie mode.